Cheapest return flights from Philadelphia to San Juan in April from 225€

AirHint found the following cheapest return flights from Philadelphia (PHL) to San Juan (SJU) in April 2026 (see full year).

Return flights

07 Apr - 13 Apr Frontier Airlines direct
03 Apr - 08 Apr Frontier Airlines direct
01 Apr - 13 Apr Spirit Airlines direct
04 Apr - 13 Apr Spirit Airlines direct
10 Apr - 13 Apr Spirit Airlines direct
02 Apr - 13 Apr Spirit Airlines direct
07 Apr - 11 Apr Frontier Airlines direct
04 Apr - 11 Apr Frontier Airlines direct
01 Apr - 11 Apr Spirit Airlines direct
02 Apr - 11 Apr Spirit Airlines direct

Also check the deals for one-way flights from Philadelphia to San Juan in April.

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